AK5385A Datasheet, PDF (6/24 Pages) Asahi Kasei Microsystems – 24BIT 192KHZ ADC

ASAHI KASEI
[AK5385A]
No. Pin Name
1 VREFL
2 AVSS
3 VCOM
4 LIN+
5 LIN−
6 CKS0
7 DVDD
8 DVSS
9 OVF
10 PDN
11 DIF
12 M/S
13 LRCK
14 BICK
15 SDTO
16 CKS1
17 MCLK
18 DFS0
19 HPFE
20 DFS1
21 BVSS
22 AVSS
23 AVDD
24 RIN−
25 RIN+
26 TEST
27 AVSS
28 VREFR
I/O
Function
Lch Voltage Reference Input Pin, AVDD
I
Normally, connected to AVSS with a 10µF electrolytic capacitor and a 0.1µF
ceramic capacitor.
- Analog Ground Pin
O Common Voltage Output Pin, AVDD/2
I Lch Analog Positive Input Pin
I Lch Analog Negative Input Pin
I Master Clock Select 0 Pin
(Internal Pull-down Pin, typ. 100kΩ)
- Digital Power Supply Pin, 3.0 ∼ 5.25V
- Digital Ground Pin
Analog Input Overflow Detect Pin
O
This pin goes to “H” if analog input overflows.
Power Down Mode Pin
I
“H”: Power up, “L”: Power down
Audio Interface Format Pin
I
“H” : 24bit I²S Compatible, “L” : 24bit MSB justified
Master / Slave Mode Pin
I
“H” : Master Mode, “L” : Slave Mode
Output Channel Clock Pin
I/O
“L” Output in Master Mode at Power-down mode.
Audio Serial Data Clock Pin
I/O
“L” Output in Master Mode at Power-down mode.
Audio Serial Data Output Pin
O
“L” Output at Power-down mode.
I Master Clock Select 1 Pin
(Internal Pull-down Pin, typ. 100kΩ)
I Master Clock Input Pin
I Sampling Speed Select 0 Pin
High Pass Filter Enable Pin
I
“H” : Enable, “L” : Disable
I Sampling Speed Select 1 Pin
- Substrate Ground Pin
- Analog Ground Pin
- Analog Power Supply Pin, 4.75 ∼ 5.25V
I Rch Analog Negative Input Pin
I Rch Analog Positive Input Pin
I Test Pin
(Internal Pull-down Pin, typ. 100kΩ)
- Analog Ground Pin
Rch Voltage Reference Input Pin, AVDD
I
Normally, connected to AVSS with a 10µF electrolytic capacitor and a 0.1µF
ceramic capacitor.
Note: All digital input pins except pull-down pins should not be left floating.
MS0265-J-01
-6-
2003/11